private WebDataSource GetMasterDataSource(WebDataSource owner)
{
if (string.IsNullOrEmpty(owner.MasterDataSource))//当前就是Master
{
return owner;
}
else
{
if (owner.MasterDataSource == owner.ID)
{
//MasterDataSource不能是自己本身,会造成死循环
throw new EEPException(EEPException.ExceptionType.PropertyInvalid, owner.GetType(), owner.ID, "MasterDataSource", owner.MasterDataSource);
}
Control parent = owner.Parent.FindControl(owner.MasterDataSource);
if (parent == null)
{
//在Page上找不到MasterDataSrouce
throw new EEPException(EEPException.ExceptionType.ControlNotFound, owner.GetType(), owner.ID, "WebDataSource", owner.MasterDataSource);
}
else if (parent is WebDataSource)
{
return GetMasterDataSource(parent as WebDataSource);//递归直到最顶层
}
else
{
throw new EEPException(EEPException.ExceptionType.ControlTypeNotMatch,owner.GetType(), owner.ID, "WebDataSource", owner.MasterDataSource);
}
}
}
private void doOkForGridInsert(WebGridView gridView, WebDataSource ds)
{
Hashtable ht = new Hashtable();
for (int i = 0; i < gridView.Columns.Count; i++)
{
string fieldName;
if (gridView.Columns[i] is BoundField)
{
fieldName = ((BoundField)gridView.Columns[i]).DataField;
if (!((BoundField)gridView.Columns[i]).ReadOnly)
{
TextBox txt = (TextBox)gridView.FooterRow.FindControl("InfoTextBox" + fieldName);
if (txt != null)
{
if (txt.Text == "")
{
ht.Add(fieldName, DBNull.Value);
}
else
{
ht.Add(fieldName, txt.Text);
}
}
}
else
{
Label lbl = (Label)gridView.FooterRow.FindControl("InfoLabel" + fieldName);
if (lbl != null)
{
if (lbl.Text == "")
{
ht.Add(fieldName, DBNull.Value);
}
else
{
ht.Add(fieldName, lbl.Text);
}
}
}
}
else if (gridView.Columns[i] is TemplateField)
{
fieldName = gridView.Columns[i].SortExpression;
object strValue = GetValue(fieldName, gridView);
if (strValue == null || strValue.ToString() == "")
//modified by lily 2007/4/12 如果多个Templatefield，且没有设定SortExpression，会报错。
{
if (fieldName != null && fieldName != "")
ht.Add(fieldName, DBNull.Value);
}
else
ht.Add(fieldName, strValue);
}
}
WebValidate validate = (WebValidate)gridView.ExtendedFindChildControl(gridView.DataSourceID, FindControlType.DataSourceID, typeof(WebValidate));
if (validate != null)
{
validate.Text = string.Empty;
if (ds.PrimaryKey.Length > 0)
{
object[] value = new object[ds.PrimaryKey.Length];
for (int i = 0; i < ds.PrimaryKey.Length; i++)
{
string columnName = ds.PrimaryKey[i].ColumnName;
if (ht.ContainsKey(columnName))
{
value[i] = ht[columnName];
}
else if (ds.RelationValues != null && ds.RelationValues.Contains(columnName))
{
value[i] = ds.RelationValues[columnName];
}
else
{
throw new EEPException(EEPException.ExceptionType.ColumnValueNotFound, ds.GetType(), ds.ID, columnName, null);
}
}
if (!validate.CheckDuplicate(ds, value))
{
gridView.ValidateFailed = true;
return;
}
}
bool validateSucess = validate.CheckValidate(ht);
if (validateSucess)
{
gridView.ValidateFailed = false;
ds.Insert(ht);
gridView.GridInserting = false;
gridView.OnAfterInsert(EventArgs.Empty);
if (!gridView.TotalActive)
gridView.ShowFooter = false;
else
gridView.DataBind();
}
else
{
gridView.ValidateFailed = true;
gridView.ValidateFormat();
}
if (gridView.ValidateFailed)
return;
}
else
{
ds.Insert(ht);
gridView.GridInserting = false;
gridView.OnAfterInsert(EventArgs.Empty);
if (!gridView.TotalActive)
gridView.ShowFooter = false;
else
gridView.DataBind();
}
WebNavigator bindingNav = gridView.GetBindingNavigator();
if (bindingNav != null && bindingNav != this)
{
if (ds.AutoApply)
{
bindingNav.SetState(WebNavigator.NavigatorState.ApplySucess);
bindingNav.SetNavState("Browsed");
}
else
{
bindingNav.SetState(WebNavigator.NavigatorState.Changed);
bindingNav.SetNavState("Changing");
}
}
if (ds.AutoApply)
{
this.SetState(WebNavigator.NavigatorState.ApplySucess);
this.SetNavState("Browsed");
}
else
{
this.SetState(WebNavigator.NavigatorState.Changed);
this.SetNavState("Changing");
}
}
